Skip to content

Northern Rocky Mountain Grotto

Caving in North America's Rocky Mountains and the World

Northern Rocky Mountain Grotto
  • About Us
    • About Our Grotto
    • Meet the Officers
    • FAQs
    • Join the Grotto
  • News
  • Events
  • WNS Info
  • Submit Trip Report
  • Closed Caves
  • Bylaws
  • Log In
  • Members Home
  • Trip Reports
  • Member Directory
  • Small Grant
  • Grotto Library
    • NRMG Newsletters
    • Historic Archive
      • Shining Mountains Grotto
      • Newell Campbell’s History of Montana Caving
      • Caves of Montana
      • Caves of Wyoming
      • Federal Cave Resource Protection Act
      • Montana Cave Conservation Act
    • USFS & NRMG Agreement
    • Exchange Publications
  • Bighorn/Horsethief Project
  • Your Account

Black Hole of Calcutta: A Perfect Day for a Cave Triathlon (Featuring Carl’s Cave Panini Recipe)

January 8, 2019December 20, 2018
This content is for NRMG members only.
Register Here
Already a member? Log in here

Related posts:

  1. Searching for Caves in the Northern Rocky Mountains
  2. Tight Places in West Boulder
  3. Monarch Grade Cave:
  4. All the Way Down – Whitaker Sink
  5. Just try to plug this hole!
  6. Caving With Carl – Garrity Cave
Post navigation

Connect

YouTube  Instagram Logo Png - Free Transparent PNG Logos  Facebook

Communication

Contact Us

Privacy Policy

Content

Trip Reports
Events
News & Announcements

Join for only $12!

PayPal
©2025 Northern Rocky Mountain Grotto